OA10060A - Detergent composition - Google Patents
Detergent composition Download PDFInfo
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- OA10060A OA10060A OA60429A OA60429A OA10060A OA 10060 A OA10060 A OA 10060A OA 60429 A OA60429 A OA 60429A OA 60429 A OA60429 A OA 60429A OA 10060 A OA10060 A OA 10060A
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- detergent composition
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- 239000000203 mixture Substances 0.000 title claims abstract description 69
- 239000003599 detergent Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 150000003839 salts Chemical class 0.000 claims abstract description 15
- 239000000344 soap Substances 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims description 15
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 9
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 9
- 239000004202 carbamide Substances 0.000 claims description 6
- 239000003752 hydrotrope Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- QUCDWLYKDRVKMI-UHFFFAOYSA-M sodium;3,4-dimethylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1C QUCDWLYKDRVKMI-UHFFFAOYSA-M 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 3
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 claims description 2
- 235000011180 diphosphates Nutrition 0.000 claims description 2
- WBZKQQHYRPRKNJ-UHFFFAOYSA-L disulfite Chemical compound [O-]S(=O)S([O-])(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-L 0.000 claims description 2
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 2
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 claims description 2
- SGPGESCZOCHFCL-UHFFFAOYSA-N Tilisolol hydrochloride Chemical compound [Cl-].C1=CC=C2C(=O)N(C)C=C(OCC(O)C[NH2+]C(C)(C)C)C2=C1 SGPGESCZOCHFCL-UHFFFAOYSA-N 0.000 claims 6
- 239000002198 insoluble material Substances 0.000 claims 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims 1
- 229940116024 aftera Drugs 0.000 claims 1
- 238000010790 dilution Methods 0.000 claims 1
- 239000012895 dilution Substances 0.000 claims 1
- 239000006071 cream Substances 0.000 abstract description 12
- 239000008367 deionised water Substances 0.000 abstract description 4
- 239000008267 milk Substances 0.000 description 10
- 235000013336 milk Nutrition 0.000 description 10
- 210000004080 milk Anatomy 0.000 description 10
- 239000005995 Aluminium silicate Substances 0.000 description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 8
- 235000012211 aluminium silicate Nutrition 0.000 description 8
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 8
- 239000011734 sodium Substances 0.000 description 8
- 229910052708 sodium Inorganic materials 0.000 description 8
- 240000007154 Coffea arabica Species 0.000 description 7
- 239000001164 aluminium sulphate Substances 0.000 description 7
- 235000011128 aluminium sulphate Nutrition 0.000 description 7
- 235000016213 coffee Nutrition 0.000 description 7
- 235000013353 coffee beverage Nutrition 0.000 description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 6
- -1 alkyl benzenesulphonates Chemical class 0.000 description 6
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000009472 formulation Methods 0.000 description 5
- 241000234295 Musa Species 0.000 description 4
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 4
- 239000004115 Sodium Silicate Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- 239000007844 bleaching agent Substances 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 4
- 229940032158 sodium silicate Drugs 0.000 description 4
- 229910052911 sodium silicate Inorganic materials 0.000 description 4
- 235000019794 sodium silicate Nutrition 0.000 description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 244000269722 Thea sinensis Species 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 159000000011 group IA salts Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000010265 sodium sulphite Nutrition 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 102000013142 Amylases Human genes 0.000 description 1
- 108010065511 Amylases Proteins 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical group OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 235000004936 Bromus mango Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 102000004882 Lipase Human genes 0.000 description 1
- 108090001060 Lipase Proteins 0.000 description 1
- 239000004367 Lipase Substances 0.000 description 1
- 240000007228 Mangifera indica Species 0.000 description 1
- 235000014826 Mangifera indica Nutrition 0.000 description 1
- 102000035195 Peptidases Human genes 0.000 description 1
- 108091005804 Peptidases Proteins 0.000 description 1
- 239000004365 Protease Substances 0.000 description 1
- 241001092459 Rubus Species 0.000 description 1
- 235000017848 Rubus fruticosus Nutrition 0.000 description 1
- 235000009184 Spondias indica Nutrition 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 235000019418 amylase Nutrition 0.000 description 1
- 229940025131 amylases Drugs 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-M benzenesulfonate Chemical compound [O-]S(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-M 0.000 description 1
- 235000021029 blackberry Nutrition 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- KTWWLYJJAXICRK-UHFFFAOYSA-L disodium;2-(carboxymethyl)butanedioate Chemical compound [Na+].[Na+].OC(=O)CC(C([O-])=O)CC([O-])=O KTWWLYJJAXICRK-UHFFFAOYSA-L 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229940088598 enzyme Drugs 0.000 description 1
- 150000002190 fatty acyls Chemical group 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 235000019421 lipase Nutrition 0.000 description 1
- 239000003605 opacifier Substances 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229940048084 pyrophosphate Drugs 0.000 description 1
- 235000020095 red wine Nutrition 0.000 description 1
- HELHAJAZNSDZJO-OLXYHTOASA-L sodium L-tartrate Chemical compound [Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O HELHAJAZNSDZJO-OLXYHTOASA-L 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- DZCAZXAJPZCSCU-UHFFFAOYSA-K sodium nitrilotriacetate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CC([O-])=O DZCAZXAJPZCSCU-UHFFFAOYSA-K 0.000 description 1
- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000001433 sodium tartrate Substances 0.000 description 1
- 229960002167 sodium tartrate Drugs 0.000 description 1
- 235000011004 sodium tartrates Nutrition 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- KVCGISUBCHHTDD-UHFFFAOYSA-M sodium;4-methylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1 KVCGISUBCHHTDD-UHFFFAOYSA-M 0.000 description 1
- 239000013042 solid detergent Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000013616 tea Nutrition 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
- C11D17/003—Colloidal solutions, e.g. gels; Thixotropic solutions or pastes
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/06—Phosphates, including polyphosphates
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
Detergent products in semi-solid form, ie a gel, cream or paste, comprise from 10 to 45% by weight of non-soap detergent active, from 3 to 30% by weight of water-soluble salts at least part of which are detergent builders and from 25 to 87% by weight of water, which are characterised by a composition which generates a pH in the range from 7.0 to 9.8 when mixed with deionised water at a weight ratio of 1:99. The use of such a composition enhances stain removal. <IMAGE>
Description
C3487 110060 - ι -
DETERGENT COMPOSITION
This invention relates to· detergent compositions in seiri-solid form, that is to say a geI, cream or paste. Such a 5 detergent form is usually referred to as a "cream" and yet is usually sufficiently solid that it cannot be poured at.ambient températures. It. coheres together in a mass whichcan, however, be deformed by hand. Thus, this form isdistinct from liquids, powders and shaped solid forms such 10 as bars.
Such laundry detergent créants are marketed in sortiecountries for fabric washing and are frequently used in awashing procedure during which the fabric is in contact 15 with diluted detergent compositions for a relatively short time before it is rinsed.
Detergent active matériels hâve often been considered tofunction most effectively under alkaline washing 20 conditions. See for exemple Kirk-Othmer's Encyclopédie of
Chemical Technology, vol 22. page 390. Consequentlydetergent compositions are formulated so that when broughtinto contact with water an alkaline wash liquor isgenerated. Laundry detergent créants hâve followed this 25 general principle and commercial créants hâve contained alkaline salts so that when the cream is brought intocontact with water, the liquid formed by dissolution isalkaline. Typically sodium carbonate and/or sodiumsilicate is included to raise the alkalinity to a pH in 30 the range from above pH 10 eg. pH 11 or higher.
By contrast with the current practice of formulating forhigh pH we hâve now found that it is both possible andadvantageous to formuiate a detergent cream so that it 35 gives a reduced alkaline pH when placed in water. We hâve found that compositions with satisfactory structure and C3487 1 0060 integrity during storage can be made, even though theircontent of salts, especially strongly alkaline carbonateand silicate, is sufficiently low that when brought. intocontact with water a pH of 9.8 or less develops. 5
We hâve also found that in use of such compositions with arelatively short duration of contact between the dilutedcomposition and the fabric, formulation with lower pHleads to improved detergency against a range of stains, 10 even including some stains for which réduction of pH has been found not to be bénéficiai when using a differentproduct form and a longer duration of contact with thefabric. 15 Accordingly, the présent invention provides a detergent composition in semi-solid form comprising: (a) 10% to 45% by weighc of non-soap detergentactive ; 20 (b) 3% to 30% by weight of water-soluble salts, atleast some of which are detergency builders; (c) 25% to 87% by weight of water characterised in 25 that the composition generates a pH in the range from 7.0 to 9.8 when mixed with deionised waterat a weight ratio of composition: water of 1:99and allowed to dissolve as completely aspossible at a température of 20°C. 30
The percentages of detergent active and water solublesalts refer to the anhydrous material and do not includeany water t.aken up as water of hydration. 35 In practice the pH of a composition will not vary much with température, so that a pH value measured at any 1 0060 température in the range from 15°C to 30°C will beadequately accurate.
It is preferred that the pH, measured at 20°C as statedabove, lies in a range from 7.5 to 9.6. The pH may welllie above a lower limit of pH 8.0. Alternatively, or inaddition, it may lie in a range not exceeding pH 9.3 oreven pH 9.2.
In order to attain a lower pli than that which is conventionally obtained, the créants will desirably notcontain much, if any, water soluble carbonate nor watersoluble silicate, both of which are strongly alkaline.
In particular the composition may be formulated so as tocontain not more than 3% by weight of water solublecarbonate, or indeed not more than 3% by weight of bothwater soluble carbonate and silicate.
Depending on the intended pH other less alkaline salts maybe introduced to provide further control of the pH. Thusfor instance sodium carbonate may be at least partiallyreplaced with bicarbonate or borax.
In use, of course, the proportions of mixing with waterare not controlled and deionised water is not used.Nevertheless the pH which is generated in use will beadequately related to that measured under the statedconditions, since it is largely controlled by the salts inthe composition.
The water soluble salts in the composition may includephosphate builder salts which can help to buffer the pHwhich is developed on mixing with water. C3487 10060 - 4 -
Ancr.her opt.-,nai, although désirable, bature is toinco.-porate l'each, in part.icular sodiun sulphite, toenhance the lc,ndering performance. We lave found thatthis can be usti successfully in the pH r<nge specrfied by 5 <-his invention.
Materials useful i, compositions of this invention willnow be dis'ussed in-urn: 10 Détergent active
As already mei.tioned, tlo composition includes n-m-soapdetergent activa in an an-^unt from 10 to 45wt% of theoverall composit-on. It ii envisaged that the amoint willgenerally range figm 12 to x-0wt% and a particularly 15 envisaged range is -rom 15 te 50 wt%.
Detergent actives useable in tho preser.t invention may befound in the general classes of anionic, nonionic,amphoteric and zwitterioaic actives. Geierally, non-soap 20 anionic detergent active will be the main detergent active présent. If any other categories of detergent active areprésent, these will typicaily be in minor amounts relativeto the anionic detergent active. 25 Anionic detergent actives which are particvlarly envisaged for use in the présent invention are alkyl benzenesulphonates of formula
R-C6H„--SOjM 30 primary alcohol sulphates of formula
ROSOjM 35 and/or fatty acyl ester sulphonates of formula C3487 1 0060 RCH CO^1
I so3m 5 in each of which R is a primary alkyl group containing 18 to 22 carbon atoms preferably 10 to 18 carbon atoms, R1 ifprésent is a primary alkyl group containing 1 to 6 carbonatoms preferably 1 to 4 carbon atoms, and M is a cationsuch that the detergent active material is water soluble. 10
Other detergent actives which may be used include alkanesulphonates and ethoxylated alcohol sulphates. Ifnonionic detergent active is used it will generally beethoxylated alcohol. Fatty acyl alkanolamides may also be 15 employed.
It. is possible within the scope of the invention toinclude soap but it would generally be absent because itinhibits the formation of lather by the non-soap detergent 20 active. Consequent.ly it is preferred that if soap is présent at a.11, the amount of it does not exceed 2% byweight of the composition.
Water soluble salts 25 These may hâve a fonction in the composition, especially as a detergency builder or as a bleach. However, inertsalts such as sodium sulphate may also be présent. Theamount of water soluble salts is preferably at least 5% byweight of the composition and may well not exceed 20% by 30 weight.
Detergency builder
At least some of the water soluble salts are required tobe detergency builder salts. Preferred is 3% to 30% by 35 weight, better 3% to 20% by weight of an alkali métal orthophosphate, pyrophosphate or tripolyphosphate. Otherwater soluble builder salts are organic builders, eg. 10060 sodium nitrilotriacetate, sodium tartrate, sodium citrateand sodium carboxymethylsuccinate.
Tn addition to the use of water soluble builder, water-insoluble aluminosilicate ion exchanger, foi' examplezeolite 4A, may also be included.
Water insolubles
It is désirable to incorporate a soluble aluminium sait,such as aluminium sulphate into the composition togetherwith sufficient sodium silicate that insoluble aluminosilicate forms in situ in the composition. This isvaluable in enhancing the structure and stability of thecomposition. British patent spécification 2099013describes the analogous incorporation of such aluminosilicate into rigid bars.
Also, a water insoluble filler other than aluminosilicatemay be included in the composition·, this may be a claysuch as kaolin or bentonite.
We hâve now found that it is possible to obtain a satisfactory stability during storage, without unduehardness of the composition, by incorporâtingaluminosilicate by formation in situ and aLsoincorporating other water-insoluble filler in a weightratio lying in a range from 70:30 to 30:70.
The water-insoluble matériel other than aluminosilicate ispreferably clay so that the proportions of aluminosilicateto clay lie in the range 7:3 to 3:7. A preferred range is6:4 to 4:6.
The aluminosilicate, as mentioned above, is desirablyformed in situ in the composition by incorporating asoluble aluminium sait such as aluminium sulphate in the 10060 - 7 - composition and also sodium silicate. When aluminiumsulphate is used as the aluminium sait the amount ofaluminosilicate which for-ms is apprcximately equal to theweight of an aluminium sulphate from which it is formed,provided that there is sufficient sodium silicate to givecomplété conversion of the soluble aluminium sait into theinsoluble aluminosilicate.
Hydrotrope
It is known to incorporate hydrotrope into detergentcréants. Such hydrotropes include short chain alkylbenzene sulphonates such as sodium toluene sulphonate.Preferred, however, is urea. A considérable advantage of this invention is thatréduction of the pH of the composition leads to asurprising improvement in the stability of urea in adetergent cream.
Bleach
The water-soluble alkali. métal salts of those sulphur oxoacids which are reducing agents may be included in thecomposition as bleaches. Preferred is to incorporate from1 to 15% by weight. of such matériel., better at least 2% oreven at least 5% by weight.
Other ingrédients
The composition of the invention may also contain otherdetergent additives in conventional amounts. Suchadditives include antiredeposition agents such as sodiumcarboxymethyl cellulose, colouring materials, fluorescers,photobleaches, germicides, opacifiers, humectants such asglyceroL, perfumes and alternative bleaches. Enzymes mayalso be included, notably proteases, lipases and amylases. 10060
Production A semi-solid detergent composition can be produced byadding the constituents to tbe water which will be présentin the eventual composition, and rnixing. A suitable procedure is to heat ail the water, anddissolve it. in the water-soluble builder, other solidelectrolyte (if used) and sodium carboxymethy1 cellulose(if used) while rnixing under conditions of high shear.
When these components hâve dissolved, alkaline silicate(if any) is added, followed by detergent active andalkanolamine (if any). Finally the sulphite (orbisulphite or metabisulphite) , any fluorescer and perfumeare added.
The detergent actives should be fully neutralised beforethe sulphite bleach is added, to avoid décomposition ofthe bleach during manufacture. The sulphite is thereforeadded at. the end of the procedure.
In the examples which follow ail percentages are by weightunless stated otherwise.
EXAMPLES A number of creams were made in accordance with formulations as set out in the following TABLE 1. The pHgenerated by each formulation was assessed by dispersingit in deionised water at a concentration of 1.0% by weightîe a composition: water ratio of 1:99 by weight. Thedispersion was allowed to stand for long enough to allowail soluble materials to dissolve after which the pH ofthe dispersion was measured at ambrent room température of20°C (small variations in température will not effect thepH to any not.iceable extent) . 1 0060 TABLE 1 TEST CREAM COMPOSITIONS Product 1 2 3 4 5 Ingrédient % by weight Sodium alky.l benzenesulphonate 22 22 35 35 22 Sodium carbonate - 5 - 5 - Sodium alkalinesilicate (anhydrousbasi s) 3 3 2 2 3 Aluminium sulphate(anhydrous basis) 4 4 3 3 4 Kaolin 6 1 - - 1 Urea 1 1 1 1 1 Sodium pyrophosphate 6 6 6 6 6 Sodium sulphite - - - - 5 Water, minors etc. to 100 pH (1% dispersion) 9.1 10.4 9.3 10.1 9.2 A nurnber of cotton sheet test; cloths (250 by 375 cms) werestained with a variety of different stains on differentarea of the test cloth. The stains were red wine, banana,blackberry, grass, tea, coffee, coffee/milk, tea/milk andtea/milk/sugar.
The various creams were then used to wash the test clothsusing a standardised procedure comraonly used withdetergent creams.
The test cloth was immersed in a quantity of deionisedwater at a liquor to cloth ratio of 7:1. The wetted testcloth was squeezed out, reimmersed and squeezed out. asecond time and then treated with the test cream. Thecream was spread by hand on the cloth until the amount ofdetergent composition transferred to the cloth waséquivalent to 4% by weight of the dried cloth. The 1 0060 ίο treated test cloth was rubbed 40 times over a period of 30seconds. After th.is time it was squeezed and rinsed oncein clean, cold water.
The réflectance of each stained area of the test cloth wasmeasured at 460nm before and after washing. EXAMPLE 1
Assessments of stain removal
In this example, the stain removal of a cream according tothe invention (Product 1) was compared with a conventionalcream formulation containing sodium carbonate (Product 2} .The results in Table 2 demonstrate that the productaccording to the invention has improved stain removalcornpared to the conventional product. TABLE 2
Stain type Réflectance Change (R460) Product 1 Product 2 Red Wine 10.6 8.8 Banana 9.6 5.9 Blackberry 19.3 13.6 Gras s 20.3 16.0 Tea 7.0 2.9 Cof fee 1 3.6 8.1 Cof fee/Milk 20.7 18.4 Tea/Milk 13.2 5.7 Tea/Milk/Sugar 13 .9 8.6 C3 4 87 1 0060 - Il - EXAMPLE 2
Assessments of stain removal
This example also demonst-rat.es the improvement in stainremoval. of a composition according to the invention 5 (Product 3) compared to a conventional composition (Product 4). These products hâve a high percentage ofbranched chain alkyl benzene sulphonate. 10 TABLE 3
Stain type Réflectance Change (R460) Product 3 Product 4 Red Wine 8.6 7.3 Banana 18.5 15.1 Blackberry 5.9 3.3 Grass 22.1 16.1 Tea 5.4 3.4 Coffee 10.0 9.2 Coffee/Milk 22.9 21.9 Tea/Milk 10.8 8.9 Tea/Milk/Sugar 13.9 12.6 25 EXAMPLE 3
Assessments of stain removal
In this example the effect on stain removal of combininglow pH and the b.l each sodium sulphite was examined. 1 0060 12 -
Stain Type Réflectance Change (R460) Product 5 Product 1 Product 2 Mango 34.0 27.8 2 6.9 Coffee/Milk' 35.0 32.1 32.1 Banana 23.9 14.9 13.9 Tea/M.ilk 9.5 10.1 6.2 Rust 27.9 24.9 23.1 pH = 9.0 pH -9.0 pH = 10.2
It can be seen t.hat for four stains t.he presence of thebleach gave an added improvement. EXAMPLE 4
Assessments of stability
Samples of products 1 and 2 were stored at 30°C. Afterone week t.he product 2 had a noticeable srnell of ammoniawhereas product 1 did not, indicatirig that the lower pH ofproduct 1 was remarkably improving t.he stability of urea. EXAMPLE 5
Two sériés of composâtions were prepared. In each composition the basic formulation was:
Ingrédient % by weight Sodium alkyl benzene sulphonate 22 Sodium alkaline silicate } Aluminium sulphate } see below Kaolin } Urea 1 Sodium py r ophospha t. e 6 Wat er, minors etc balance l.o 100%
In these compositions the propoctionn of kaolin andaluminosilicates were varied. The quantity of sodium 1 0 0 6 0 - 13 - alkaline silicate was varied also to correspond with thequantity of aluminium sulphate. The compositions werebalanced to 100% by adjusting the weight of water. Inone sériés of compositions the total of kaolin andaluminosilicate was 7.5% by weight of the composition, inthe second set it was 12% by weight of the composition.
The compositions were cycled repeatedly between 20°C and30°C. After 20 cycles the compositions were assessed forthe extent of séparation on a scale from 0 to 5 asfollows: 0 = no change in appearance or mobility 1 = slight change in appearance or mobility 2 = some change but no liquid droplets visible 3 - some liquid visible 4 = layer of liquid on top of product 5 = deeper layer of liquid on product
Values up to 2 are satisfactory. The results were:
Total Kaolin and aluminosilicate: 7.5% 12% Kaolin : Al~Si ratio 100 : 0 5 3 80 : 20 3 2 60 : 40 2 1-2 40 : 60 1-2 0 20 : 80 1-2 0 . 0 : 100 1 0
Compositions without kaolin were sufficiently hard that itwas very difficult to scoop a portion out of a containerusing only the fingers (which is the general practice forremoval). Compositions without aluminosilicate were soft C3487 10060 - 14 and difficult to apply to fabric, especially the composition with 7.5% kao'Jin and no aluminosi1icate.
Compositions with a combination of both materials,especially in the range 70:30 to 30:70 better 60:40 to40:60 gave a good combination of handling properties andrésistance to séparation.
Claims (8)
1 0060 - 15 - CLAIMS
1. A detergent composition in semi-solid formcomprising: (a) 10% to 45% by weight of non-soap detergentactive; (b) 3% to 30% by weight of water-soluble salts, atleast some of which are detergency builders; and (c) 25% to 87% by weight of water, characterised in that the composition generates a pHin the range from 7.0 to 9.8 when mixed withdeionised water at a weight ratio of composition:water of 1:99 and allowed to dissolve as completelyas possible at a température of 20°C.
2. A detergent composition according to claim 1 whereinthe water soluble salts comprise from 3% to 30% byweight (based on the whole composition) of adetergency builder which is an alkali métalorthophosphate, pyrophosphate or tripolyphosphate,optionally together with other water soluble salts.
3. A detergent composition according to claim 1 furthercomprising from 1 to 15% by weight of water-insolublematerial.
4. A detergent composition according to claim 1comprising from 5 to 15% in total water-insolublematerial consisting of aluminosilicate and othermaterial in weight ratio lying in a range from 7:3 to3:7. C3487 1 0060 16
5. A detergent composition according to daim 4 whereinthe ratio or aluminosilicate to other matériel is inthe range 6:4 to 4:6. 5 6. A detergent composition according to daim 3. further coinprising from 0.5 to 5% by weight. of hydrotrope.
7. A detergent composition according to daim 6 whereinthe hydrotrope is urea. 10
8. A detergent composition according to daim 1 whichdoes not contain more t.han 3% by weight of watersoluble carbonate. 15 A detergentthe pH lies composition according to daimin a range from 7.6 to 9.6. 1 wherein 20 10 A detergentthe pH lies composition according toin a range from 8.0 to 9 daim 9 wherein 3 .
11 . A detergent composition according to daim 1 including from 2 to 15% by weight of alkali métalsulphite, bisulphite or meta-bisulphite . 25 12. A method of washing fabrics comprising contacting the fabric with a composition according to any one of thepreceding daims, or a. tiquer formed by dilution ofthe composition, followed by nnsing the fabric aftera period of not. more than 5 minutes.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9222538A GB2271998A (en) | 1992-10-27 | 1992-10-27 | Semi-solid non-soap detergent composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| OA10060A true OA10060A (en) | 1996-10-14 |
Family
ID=10724118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| OA60429A OA10060A (en) | 1992-10-27 | 1993-10-27 | Detergent composition |
Country Status (5)
| Country | Link |
|---|---|
| BR (1) | BR9304366A (en) |
| GB (1) | GB2271998A (en) |
| IN (1) | IN179115B (en) |
| OA (1) | OA10060A (en) |
| ZA (1) | ZA937999B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0229503D0 (en) * | 2002-12-19 | 2003-01-22 | Unilever Plc | Detergent composition |
| GB0229502D0 (en) * | 2002-12-19 | 2003-01-22 | Unilever Plc | Detergent composition |
| US11214763B2 (en) | 2018-01-26 | 2022-01-04 | Ecolab Usa Inc. | Solidifying liquid amine oxide, betaine, and/or sultaine surfactants with a carrier |
| MX2020007859A (en) | 2018-01-26 | 2020-09-18 | Ecolab Usa Inc | Solidifying liquid amine oxide, betaine, and/or sultaine surfactants with a binder and optional carrier. |
| JP7485606B2 (en) | 2018-01-26 | 2024-05-16 | エコラボ ユーエスエー インコーポレイティド | Solidification of liquid anionic surfactants |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE614604A (en) * | 1961-03-04 | |||
| EP0037161B1 (en) * | 1980-02-05 | 1983-11-23 | Kao Corporation | Creamy cleansing compositions |
| GB8520550D0 (en) * | 1985-08-16 | 1985-09-25 | Unilever Plc | Detergent compositions |
| ES2090229T3 (en) * | 1990-05-08 | 1996-10-16 | Procter & Gamble | LOW PH GRANULAR LAUNDRY DETERGENT COMPOSITIONS CONTAINING ALUMINOSILICATE, CITRIC ACID AND CARBONATE DETERGENCE ENHANCERS. |
-
1992
- 1992-10-27 GB GB9222538A patent/GB2271998A/en not_active Withdrawn
-
1993
- 1993-10-26 BR BR9304366A patent/BR9304366A/en not_active Application Discontinuation
- 1993-10-26 IN IN343BO1993 patent/IN179115B/en unknown
- 1993-10-27 OA OA60429A patent/OA10060A/en unknown
- 1993-10-27 ZA ZA937999A patent/ZA937999B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB9222538D0 (en) | 1992-12-09 |
| ZA937999B (en) | 1995-04-28 |
| BR9304366A (en) | 1994-05-31 |
| IN179115B (en) | 1997-08-30 |
| GB2271998A (en) | 1994-05-04 |
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